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4-Hy-droxy-N'-(3-nitro-benzyl-idene)benzohydrazide.

ABSTRACT: The title compound, C(14)H(11)N(3)O(4), was obtained by a condensation reaction between 3-nitro-benzaldehyde and 4-hy-droxy-benzohydrazide. The whole mol-ecule is approximately planar, with a dihedral angle of 9.2?(3)° between the benzene rings. The mol-ecule displays an E conformation about the C=N bond. In the crystal, mol-ecules are linked via N-H?O, O-H?O and O-H?N hydrogen bonds, generating sheets parallel to the bc plane.

SUBMITTER: Hou JL

PROVIDER: S-EPMC3344485 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature

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4-Hy-droxy-N'-(3-nitro-benzyl-idene)benzohydrazide.

Hou Jin-Long JL

Acta crystallographica. Section E, Structure reports online 20120413 Pt 5

The title compound, C(14)H(11)N(3)O(4), was obtained by a condensation reaction between 3-nitro-benzaldehyde and 4-hy-droxy-benzohydrazide. The whole mol-ecule is approximately planar, with a dihedral angle of 9.2 (3)° between the benzene rings. The mol-ecule displays an E conformation about the C=N bond. In the crystal, mol-ecules are linked via N-H⋯O, O-H⋯O and O-H⋯N hydrogen bonds, generating sheets parallel to the bc plane. ...[more]

PMID: 22590247

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4-Hy-droxy-N'-(4-hy-droxy-3-nitro-benzyl-idene)benzohydrazide.

Project description:The mol-ecule of the title compound, C(14)H(11)N(3)O(5), assumes an E configuration with respect to the methyl-idene unit. An intra-molecular O-H?O hydrogen bond is present in the mol-ecule. The dihedral angle between the mean planes of the two benzene rings is 5.46?(15)°. The crystal structure is stabilized by inter-molecular O-H?O, O-H?N, and N-H?O hydrogen bonds.

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2-Hy-droxy-N'-(4-hy-droxy-3-nitro-benzyl-idene)benzohydrazide.

Project description:The title compound, C(14)H(11)N(3)O(5), crystallized with two independent mol-ecules per asymmetric unit. Each mol-ecule assumes an E configuration with respect to the methyl-idene unit. Intra-molecular O-H?O and N-H?O hydrogen bonds are present in each mol-ecule and they are linked by an O-H?O hydrogen bond. The dihedral angles between the mean planes of the two benzene rings are 4.45?(16) and 1.7?(2)° in the two mol-ecules. The crystal structure is stabilized by inter-molecular O-H?O and N-H?O hydrogen bonds.

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Project description:The title mol-ecule, C(14)H(11)N(3)O(4), is approximately planar, with an inter-planar angle between the two benzene rings of 5.8?(2)°. In the crystal, four mol-ecules are linked by an R(4) (4)(12) motif with pairs of strong O-H?O and N-H?O hydrogen bonds. The motif is situated about the crystallographic centres of symmetry and it is composed of two pairs of parallel mol-ecules. This quadruplet of mol-ecules is further extended by symmetry-equivalent hydrogen bonds to form layers parallel to the (10) plane. In addition to the hydrogen bonds, there is also a weak ?-? inter-action between the benzene rings.

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Project description:The title compound, C(14)H(11)N(3)O(4), was prepared by the reaction of 4-nitro-benzohydrazide with 4-hy-droxy-benz-alde-hyde. The whole mol-ecule of the compound is approximately planar, with a mean deviation from the least-squares plane through all the non-H atoms of 0.050?(2)?Å; the dihedral angle between the two benzene rings is 2.0?(2)°. In the crystal, the benzohydrazide mol-ecules are linked through inter-molecular O-H?O and N-H?O hydrogen bonds, forming layers in the bc plane.

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